<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <div id="main" style="width: 900px;height:500px;"></div>
    </el-card>
  </div>
</template>
<script>
import echarts from "echarts";
import _ from 'lodash'
export default {
  data() {
    return {
      options: {
        title: {
          text: "用户来源"
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "cross",
            label: {
              backgroundColor: "#E9EEF3"
            }
          }
        },
        grid: {
          left: "3%",
          right: "4%",
          bottom: "3%",
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: "value"
          }
        ]
      }
    };
  },
  methods: {},
  async mounted() {
    const { data: res } = await this.$http.get("reports/type/1");
    console.log(res);
    // 此时页面上的元素已经被渲染完毕了
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById("main"));
    // 指定图表的配置项和数据

    // 使用刚指定的配置项和数据显示图表。
    const result = _.merge(res.data,this.options)
    myChart.setOption(result);
  },
  created() {}
};
</script>
<style lang="less" scoped>
</style>